Loans - Loans Acquired (Details) - CVBK - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Loans
Outstanding principal balance	$ 81,107	$ 96,694
Carrying amount
Acquired Loans	67,084	80,930
Real estate - residential mortgage
Carrying amount
Acquired Loans	14,951	16,783
Commercial, financial and agricultural
Carrying amount
Acquired Loans	39,568	49,604
Equity lines
Carrying amount
Acquired Loans	12,433	14,255
Consumer Loan
Carrying amount
Acquired Loans	132	288
PCI Loans
Loans
Outstanding principal balance	21,581	25,701
Carrying amount
Acquired Loans	10,741	13,908
PCI Loans | Real estate - residential mortgage
Carrying amount
Acquired Loans	1,225	1,305
PCI Loans | Commercial, financial and agricultural
Carrying amount
Acquired Loans	9,239	12,317
PCI Loans | Equity lines
Carrying amount
Acquired Loans	277	286
Purchased Performing Loans
Loans
Outstanding principal balance	59,526	70,993
Carrying amount
Acquired Loans	56,343	67,022
Purchased Performing Loans | Real estate - residential mortgage
Carrying amount
Acquired Loans	13,726	15,478
Purchased Performing Loans | Commercial, financial and agricultural
Carrying amount
Acquired Loans	30,329	37,287
Purchased Performing Loans | Equity lines
Carrying amount
Acquired Loans	12,156	13,969
Purchased Performing Loans | Consumer Loan
Carrying amount
Acquired Loans	$ 132	$ 288